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31113011131032 = 2331296375463793
BaseRepresentation
bin1110001001100000011111…
…11110011111001010011000
311002011101010020111110120210
413010300033332133022120
513034223421322143112
6150101041530251120
76360561264041325
oct704601776371230
9132141106443523
1031113011131032
119a05a5473a3a6
1235a5ab0586aa0
131448c379b580c
14797c40879b4c
1538e4c2b79b3c
hex1c4c0ff9f298

31113011131032 has 16 divisors (see below), whose sum is σ = 77782527827640. Its totient is φ = 10371003710336.

The previous prime is 31113011131031. The next prime is 31113011131061. The reversal of 31113011131032 is 23013111031113.

It is a super-2 number, since 2×311130111310322 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113011131031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648187731873 + ... + 648187731920.

Almost surely, 231113011131032 is an apocalyptic number.

It is an amenable number.

31113011131032 is an abundant number, since it is smaller than the sum of its proper divisors (46669516696608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31113011131032 is a wasteful number, since it uses less digits than its factorization.

31113011131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296375463802 (or 1296375463798 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 31113011131032 its reverse (23013111031113), we get a palindrome (54126122162145).

The spelling of 31113011131032 in words is "thirty-one trillion, one hundred thirteen billion, eleven million, one hundred thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 1296375463793 2592750927586 3889126391379 5185501855172 7778252782758 10371003710344 15556505565516 31113011131032